Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Current assets:
Cash	$ 3,159	$ 6,129
Accounts receivable, net	681	1,106
Projects in process	725	200
Prepaid expenses and other current assets	560	513
Total current assets	5,125	7,948
Property and equipment, net	533	654
Total assets	5,658	8,602
Current liabilities:
Accounts payable	884	566
Accrued expenses	1,255	935
Deferred revenues	3,016	3,403
Current portion of capital lease obligation	57	61
Total current liabilities	5,212	4,965
Capital lease obligation, net of current portion	315	367
Total liabilities	$ 5,527	$ 5,332
Commitments and contingencies
Stockholders' equity:
Common stock, 70,000,000 shares authorized with par value $0.001 per share; 40,524,984 and 40,455,352 shares issued and outstanding at June 30, 2015 and December 31, 2014, respectively	$ 40	$ 40
Additional paid-in capital	169,782	169,010
Accumulated other comprehensive income	102	149
Accumulated deficit	(169,793)	(165,929)
Total stockholders' equity	131	3,270
Total liabilities and stockholders' equity	$ 5,658	$ 8,602
Series B Preferred Stock
Stockholders' equity:
Series B Preferred stock, 54,425 shares authorized with par value $0.001 per share; 83 shares issued and outstanding at June 30, 2015 and December 31, 2014. (In the event of dissolution, each share of Series B Preferred stock has a liquidation preference equal to par value of $0.001 per share over the shares of common stock)